Spring MVC - ResourceHandlerRegistry Examples

@SpringBootApplication
public class Main {

    public static void main (String[] args) {
        SpringApplication.run(Main.class, args);
    }

    @Bean
    public WebMvcConfigurerAdapter webConfigurer () {
        return new WebMvcConfigurerAdapter() {
            @Override
            public void addResourceHandlers (ResourceHandlerRegistry registry) {
                registry.addResourceHandler("/static/**")
                        .addResourceLocations("/static/")
                        .setCachePeriod(30);
            }
        };
    }
}

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        //specifying static resource location for themes related files(css etc)
        registry.addResourceHandler("/themes/**")
                .addResourceLocations("/app-themes/");
    }